Cool MateSustain vs Uphold
When to use each in English, with meaning, register, and examples.
Sustain
Top 2,000 (common)C1verb
Uphold
Top 2,000 (common)C1verb
| Sustain | Uphold | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/səˈsteɪn/","/səˈsteɪnz/","/səˈsteɪnd/","/səˈsteɪnɪŋ/"]/🇺🇸 /["/səˈsteɪn/","/səˈsteɪnz/","/səˈsteɪnd/","/səˈsteɪnɪŋ/"]/ | 🇬🇧 /["/ʌpˈhəʊld/","/ʌpˈhəʊldz/","/ʌpˈheld/","/ʌpˈhəʊldɪŋ/"]/🇺🇸 /["/ʌpˈhəʊld/","/ʌpˈhəʊldz/","/ʌpˈheld/","/ʌpˈhəʊldɪŋ/"]/ |
| Meaning | To keep something going or maintain it. | To support or maintain something. |
| Example | We must find ways to sustain our natural resources for the future. | We have a duty to uphold the law. |
| Register | Neutral | Neutral |
| How common | Top 2,000 (common) | Top 2,000 (common) |
| CEFR level | C1 | C1 |
| Part of speech | verb | verb |
| Collocations | no longer, barely, indefinitely, be able to, can, be unable to | consistently, firmly, rigorously, have a duty to, be determined to, seek to, consistently, firmly, rigorously, have a duty to, be determined to, seek to |
| Antonyms | neglect, abandon, cease | disregard, abandon, violate |
| Common mistakes | 'Sustain' is often confused with 'sustained' as a past form., Learners sometimes forget to add an object after 'sustain'., 'Sustain' is misused when referring to temporary situations, instead of ongoing support. | Confused with 'support' which can be more casual., Using it incorrectly in passive voice, e.g. 'The law is upheld by.', Mixing up the past tense; 'upholded' is incorrect. |
| Usage notes | Use 'sustain' in contexts about keeping something alive or supporting it over time. It can be formal when discussing topics like environmental issues or less formal in conversations about personal interests. | Often used in legal and ethical contexts, such as 'upholding the law' or 'upholding values'. It's appropriate in both formal and neutral settings but less common in casual conversations. |
Frequently asked questions: Sustain vs Uphold
What's the difference between Sustain and Uphold?
Sustain: To keep something going or maintain it. Uphold: To support or maintain something.
Are Sustain and Uphold the same CEFR level?
Sustain: C1, Uphold: C1 on the CEFR scale.
What part of speech are Sustain and Uphold?
Sustain: verb, Uphold: verb.
Can you show an example of each?
Sustain: We must find ways to sustain our natural resources for the future. Uphold: We have a duty to uphold the law.
Can I use Sustain and Uphold interchangeably?
Not always. Sustain and Uphold are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.